Oleandra distenta Kunze

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Oleandra distenta

Photo: Petra Ballings
Vumba, Bunga Forest

Oleandra distenta

Photo: Petra Ballings
Vumba, Bunga Forest

Oleandra distenta

Photo: Petra Ballings
John Meikle Forestry Estate, Stapleford

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Synonyms: Aspidium articulatum (Juss. ex Poir.) Willd.
Oleandra africana Bonap.
Oleandra articulata 'Cav.' var. welwitschii Bak.
Oleandra densifrons Kunze
Oleandra distenta Kunze var. hirsuta Tardieu
Oleandra distenta Kunze var. villosa Tardieu
Oleandra distenta Kunze var. welwitschii (Baker) Kornas
Oleandra welwitschii (Baker) Pic.Serm.
Common names:
Description: Rhizome long creeping, up to 4 mm in diameter, scandent, branched; rhizome scales appressed, shiny, lanceolate, up to 7 mm long, with a dark brown central stripe and paler ciliate margins. Roots thin, wiry, singly below each old frond. Fronds widely spaced on rhizome or on short side branches, erect to arching, deciduous, simple. Stipe articulated near the base, up to 6 cm long, covered with scattered scales similar to, but smaller than those on the rhizome. Lamina 14-33 × 1.5-6.5 cm, glabrous on both surfaces, thinly membranous (dry) to thinly coriaceous, linear lanceolate in outline, base wedge-shaped, apex abruptly ending in a tip, margin subentire, wavy; midrib prominent below; veins obvious, simple, sometimes forked near the costa, finely parallel. Sori circular, up to 2.5 mm in diameter, in a irregular line on either side of the midrib, situated within the inner half of the lamina; indusium round to kidney-shaped, small, hairless, dark brown, entire.
Derivation of specific name: distenta: extended, stretched out; possibly referring to the widely spaced fronds on the widely creeping rhizome.
Worldwide distribution: Widespread in tropical and southern Africa.
Growth form(s): Epiphyte, lithophyte.
Insects associated with this species:
Spot characters: Display spot characters for this species

Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Pages 208 - 209. (Includes a picture).

Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 91.

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 36. as Oleandra distenta distenta (Includes a picture).

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 41.

Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 528 - 529. (Includes a picture).

Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 16.

Dowsett-Lemaire, F. (1989). The flora and phytogeography of the evergreen forests of Malawi. I: Afromontane and mid-altitude forests; Bull. Jard. Bot. Nat. Belg. 59(1/2) Page 26.

Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 326 - 327. (Includes a picture).

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 112 - 113.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 8.

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 142. (Includes a picture).

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 149.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 165 - 166. (Includes a picture).

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 79.

Other sources of information about Oleandra distenta:

Our websites:

Flora of Malawi: Oleandra distenta
Flora of Mozambique: Oleandra distenta
Flora of Zambia: Oleandra distenta
Flora of Zimbabwe: Oleandra distenta

External websites:

African Plants: A Photo Guide (Senckenberg): Oleandra distenta
African Plant Database: Oleandra distenta
BHL (Biodiversity Heritage Library): Oleandra distenta
EOL (Encyclopedia of Life): Oleandra distenta
GBIF (Global Biodiversity Information Facility): Oleandra distenta
Google: Web - Images - Scholar
iNaturalist: Oleandra distenta
IPNI (International Plant Names Index): Oleandra distenta
JSTOR Plant Science: Oleandra distenta
Mansfeld World Database of Agricultural and Horticultural Crops: Oleandra distenta
Plants of the World Online: Oleandra distenta
Tropicos: Oleandra distenta
Wikipedia: Oleandra distenta

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Caprivi: Cultivated Plants: Species information: Oleandra distenta.
https://www.capriviflora.com/cult/species.php?species_id=102070, retrieved 20 July 2024

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